Recent

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Create quizzes and tests automatically from your content using AI.

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

The smarter way to study – wherever you are.

Search...

quiz image

DXA Quiz

Created by FlawlessElation

·

·

Download PDF Download

Start Quiz

Study Flashcards

Study Flashcards Play Quiz

Questions and Answers

What is the primary purpose of Dual-energy X-ray absorptiometry (DXA)?

Measuring bone mineral density

Why does DXA use two X-ray beams with different energy levels?

To determine bone mineral density by subtracting soft tissue absorption

What distinguishes DXA from a nuclear bone scan?

DXA is used for diagnosing and following osteoporosis

Why is it not possible to determine bone attenuation from a single X-ray beam?

<p>The attenuation coefficients of soft tissue and bone vary with the energy of X-rays</p> Signup and view all the answers

What does the difference in total absorption between the two X-ray energies allow DXA to do?

<p>Subtract out the absorption by soft tissue</p> Signup and view all the answers

What is the primary purpose of Dual-energy X-ray absorptiometry (DXA)?

<p>Measuring bone mineral density</p> Signup and view all the answers

What distinguishes DXA from a nuclear bone scan?

<p>DXA measures bone mineral density, while the nuclear bone scan is sensitive to certain metabolic diseases of bones</p> Signup and view all the answers

Why does DXA use two energies of X-ray?

<p>To subtract out the absorption by soft tissue</p> Signup and view all the answers

What allows DXA to determine bone mineral density from the absorption of each X-ray beam?

<p>Subtracting out the absorption of soft tissue</p> Signup and view all the answers

What is the most widely used and most thoroughly studied bone density measurement technology?

<p>Dual-energy X-ray absorptiometry (DXA)</p> Signup and view all the answers

More Quizzes Like This

Bone Health Assessment and Diagnosis Quiz

16 questions

Bone Health Assessment and Diagnosis Quiz

PicturesqueHill